public class Plane
{
	private double a, b, c, d;
	public Plane(double a, double b, double c, double d)
	{
		this.setA(a);
		this.setB(b);
		this.setC(c);
		this.setD(d);
	}
	public double getA()
	{
		return a;
	}
	public void setA(double a)
	{
		this.a = a;
	}
	public double getB()
	{
		return b;
	}
	public void setB(double b)
	{
		this.b = b;
	}
	public double getC()
	{
		return c;
	}
	public void setC(double c)
	{
		this.c = c;
	}
	public double getD()
	{
		return d;
	}
	public void setD(double d)
	{
		this.d = d;
	}
}
